package main

import (
	"fmt"
	"reflect"
)

type User struct {
	Id   int
	Name string
	Age  int
}

func main1() {
	var num = 1.2
	var obj interface{}
	obj = User{}

	fmt.Println("num的实际类型是：", reflect.TypeOf(num))
	fmt.Println("obj的实际类型是：", reflect.TypeOf(obj))
}
